Module of a heart rate belt



FIG. 1 is a top, rear perspective view of a module of a heart rate belt showing our new design;

FIG. 2 is an enlarged front, top perspective view of the module of FIG. 1;

FIG. 3 is an enlarged top view thereof; and,

FIG. 4 is an enlarged front view thereof.

The ornamental design that is claimed is shown in solid lines in the drawings. The broken lines in FIGS. 1–4 are included for the purpose of illustrating portions of the module of a heart rate belt that forms no part of the claimed design. 

We claim the ornamental design for a module of a heart rate belt, as shown and described. 